Resolve "Specs fail locally - spec/lib/devops_labels_spec.rb"

What does this MR do and why?

This MR fixes a failing spec due to invalid test data.

Action items

• (If applicable) Add documentation to the handbook pages for Triage Operations =>
• (If applicable) Identify the affected groups and how to communicate to them:
  • /cc @person_or_group =>
  • Relevant Slack channels =>
  • Engineering week-in-review

Closes #911 (closed)